Which idem describes an example of violence escalating

The answer to your question is Calling Names.

Iwould say being around others who are not drug free is the wrong step because your peers are likely to influence any new or past habits

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)